Title:
Azure Keyvault Key Modified or Deleted
Status:
test
Description:Identifies when a Keyvault Key is modified or deleted in Azure.
References:
-https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
Author: Austin Songer @austinsonger
Date: 2021-08-16
modified:2022-08-23
Tags:
- -'attack.impact'
- -'attack.credential-access'
- -'attack.t1552'
- -'attack.t1552.001'
Logsource:
- product: azure
- service: activitylogs
Detection:
selection:
operationName:
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/UPDATE/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/CREATE'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/CREATE/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/IMPORT/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/RECOVER/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/RESTORE/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/DELETE'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/BACKUP/ACTION'
-'MICROSOFT.KEYVAULT/VAULTS/KEYS/PURGE/ACTION'
condition:
selection
Falsepositives:
-Key being modified or deleted may be performed by a system administrator.
-Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
-Key modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Level:
medium
